Choose Turn on Firewall, and it will be enabled. Check that it is in System Preferences>Security & Privacy where you choose the Firewall Tab. Your Mac’s built-in firewall should be enabled by default. (You’ll find that you need to unlock System Preferences by tapping the padlock icon and entering your password to make changes in many of the following cases.) Let’s move on to look at some of the other security protection solutions in place on your Mac. There are several paid solutions available.
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AVG for Mac is Macworld UK’ s most highly recommended (free version available) antivirus package Malwarebytes for Mac is also popular. I choose to scan my system regularly as I send and receive digital assets from lots of sources, and also believe I have a responsibility to ensure I don’t inadvertently transmit Windows malware to others from my Mac. Many Mac users believe it slows Mac performance - but so too does unwanted adware, Potentially Unwanted Programs (PUPs) and malware if it lurks on your Mac.
Install macOS software updates as they appear.Never access a confidential service (such as your enterprise intranet or online bank) over public Wi-Fi.Use a disposable email address to sign up for services, websites and the like - that way you can reduce the spam you receive in your primary emails.Consider using a VPN service, such as NordVPN (which I use).Use strong passwords, and use different passwords for each site - Apple’s Keychain Manager makes this process ever so easy.Never download/install software unless you know where it is from.
Cyber attackers are highly sophisticated and can piece together lots of information about you or companies associated with you by simply getting a little more data a little at a time. First, some common sense security tipsīefore we get into some of the security technology inside your Mac (including a wide range of security improvements in High Sierra) it is important to point out that the biggest threat your computer faces is the person using it.
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You can ignore the potential threat if you choose, but if you are an enterprise user holding confidential data, an educator in possession of private data, or even a Bitcoin collector who maybe clicked a few too many links on one of those dodgy faucet websites, you should know how to secure your Mac. Malware is everywhere, and Macs are not immune.
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